The plastic or foil sleeve on the outside of a branch duct in a crawl space serves as _____
a. thermal insulation
b. a vapor barrier
c. a noise suppressor
d. a fire retardant
b
Trades & Technology
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A commercial kitchen with more than six pieces of kitchen equipment is subject to a demand factor of _____.
a. 40% b. 50% c. 65% d. 85%
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In accordance with the general principles followed in the measurement of the work of other trades, masonry work is measured "____."
A. net removed B. net in place C. composite in place D. composite removed
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The ridge cut of a hip rafter is a compound angle called a(n) ____ cut.
a.end b.bevel c.cheek d.tail
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If the top view of an object shows a drilled-through hole, how many hidden lines will be necessary in the front view to describe the hole? How many if the hole is countersunk? Counterbored?
What will be an ideal response?
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